If you forget the password, you can connect iPhone to iFunbox, then find its configuration files in the iPhone.
This patch:
/var/mobile/Library/Preferences/com.nnfyrbsnss.applocker.plist
<?xml version=”1.0″ encoding=”UTF-8″?>
<!DOCTYPE plist PUBLIC “-//Apple//DTD PLIST 1.0//EN” “http://www.apple.com/DTDs/PropertyList-1.0.dtd”>
<plist version=”1.0″>
<dict>
<key>Appslibactivator</key>
<true/>
<key>applockerpassword</key>
<string>111</string>
<key>behavior</key>
<true/>
<key>enabled</key>
<true/>
</dict>
</plist>
Here behaviorkey is enabled, which indicates that the tweak is in the enabled state, applockerpassword is the password you set (above the 111 as a password). Here you can change the password, or delete this file, to back to the unlocked state.
This patch:
/var/mobile/Library/Preferences/com.nnfyrbsnss.applocker.plist
<?xml version=”1.0″ encoding=”UTF-8″?>
<!DOCTYPE plist PUBLIC “-//Apple//DTD PLIST 1.0//EN” “http://www.apple.com/DTDs/PropertyList-1.0.dtd”>
<plist version=”1.0″>
<dict>
<key>Appslibactivator</key>
<true/>
<key>applockerpassword</key>
<string>111</string>
<key>behavior</key>
<true/>
<key>enabled</key>
<true/>
</dict>
</plist>
Here behaviorkey is enabled, which indicates that the tweak is in the enabled state, applockerpassword is the password you set (above the 111 as a password). Here you can change the password, or delete this file, to back to the unlocked state.